Edible oil refining processing line usually refers to refinery of crude oil. Presence of impurities in crude oil, not only affects the practical value and safe storage of oil, but also brings difficult to oil deep processing. However, edible oil refining machine is not a complete removal of impurities in oil, but remove detrimental impurities on consumption, storage, industrial production, such as gossypol, proteins, phospholipids, mucus, water, etc. removed and useful "impurities" such as vitamin E, sterols again reserved.Depending on the requirements and purposes of the unnecessary and harmful impurities are removed from the oil to obtain edible meet certain quality standards, that is the purpose of oil refining.Edible oil refining processing line introductionDepending on the operating characteristics and raw materials, oil refining processing line of choices can be broadly divided into three mechanical refining, chemical refining and physical refining processing lines.